Finding the Fourth Proportional to 2,141.82, 2,955.78 and 1,396.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.82 : 2,955.78 = 1,396.26 : x
2. Step 2: Convert to fraction form
   2,141.82/2,955.78 = 1,396.26/x
3. Step 3: Cross multiply
   2,141.82x = 2,955.78 × 1,396.26
4. Step 4: Simplify right side
   2,141.82x = 4,127,037.38
5. Step 5: Solve for x
   x = 4,127,037.38/2,141.82
6. Step 6: Final answer
   x = 1,926.88